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Article
Open AccessEarly-paleozoic rapakivi-textured granite from the North Qinling (Central China): implications for crust–mantle interactions in a post-collisional setting
Rapakivi granite is characterized by its unique structure, which has important implications for tectonic settings, magmatic processes, and crust–mantle interactions. In this study, we conducted a combined anal...
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Article
Open AccessLongshore changes in the microfacies and distribution of clastic barrier coastal sandbodies: a case from the Benxi formation in the Ordos Basin, China
The Benxi Formation in the Ordos Basin is an important gas-producing layer in the Yanchang gas field. There are critical changes in the microfacies type and extension trend of sandbodies, which affects the und...
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Article
Paleogene-Neogene stratigraphic realm and tectonic-sedimentary evolution of the Qilian Mountains and their surrounding areas
The Cenozoic uplift of Qilian Mountains is critical to comprehend the uplift and extension of the Tibet Plateau as well as the formation of the first and second steps in China’s topography. This study summariz...
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Article
Open AccessA comparison of zircon U-Pb age results of the Red Clay sequence on the central Chinese Loess Plateau
Single grain zircon U-Pb geochronology has demonstrated great potentials in extracting tectonic and atmospheric circulation signal carried by aeolian, fluvial, and fluviolacustrine sediments. A routine in this...
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Article
Open AccessMagnetic fabric from Red clay sediments in the Chinese Loess Plateau
Well-distributed eolian red clay in a wide area of northern China is believed to imply the onset of an ancient East Asian monsoon system since Late Miocene. Two continuous red clay sequences spanning the time ...
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Article
Zircon U-Pb ages and Hf isotopic characteristics of the Dehe biotite monzonitic gneiss pluton in the North Qinling orogen and their geological significance
The Dehe granitic pluton intruded the **ahe Group which is in the core complex of the North Qinling Orogenic Belt (NQOB). It shows gneissic bedding and possesses typical S-type granite minerals such as muscovi...
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Article
Geological characteristics, metallogenic background, and genesis of the Tongyu VHMS copper deposit in the west part of the North Qinling, Shaanxi Province
The Tongyu volcanic-hosted massive sulfide (VHMS) copper deposit is located in the west part of the North Qinling (NQL), Shaanxi Province. Here we report geological features and trace elemental characteristics...
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Article
Zircon U-Pb dating and geochemical study of the **anggou granite in the Ma’anqiao gold deposit and its relationship with gold mineralization
Single zircon LA-ICP-MS U-Pb dating and lithogeochemical studies have been performed on the **anggou monzonitic granitic porphyry outcropped in the Ma’anqiao gold deposit. A weighted average U-Pb age of 242.0±...
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Article
Middle Pleistocene mammalian fauna of Shanyangzhai cave in Qinhuangdao area, China and its zoogeographical significance
The mammalian fauna with clear characteristics of transitional region has been found in the Shanyangzhai cave of the Qinhuangdao area where the three Chinese zoogeographical regions (the Northeast region, the ...
